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RVFI - Correction corner case conflict on mstatus_fs upades when integer load followed by fpu instr #998

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Jun 6, 2024
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RVFI - Correction corner case conflict on mstatus_fs upades when integer load followed by fpu instr #998

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RVFI - Correction corner case conflict on mstatus_fs upades when inte…
Jun 6, 2024
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Jun 6, 2024
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2 changes: 1 addition & 1 deletion bhv/cv32e40p_rvfi.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -1640,7 +1640,7 @@ insn_trace_t trace_if, trace_id, trace_ex, trace_ex_next, trace_wb;
trace_wb.m_rd_wdata[0] = r_pipe_freeze_trace.rf_wdata_wb;
end

if (r_pipe_freeze_trace.csr.fregs_we) begin
if(r_pipe_freeze_trace.csr.fregs_we && r_pipe_freeze_trace.rf_we_wb && r_pipe_freeze_trace.rf_addr_wb[5]) begin //Catching mstatus updates caused by flw
`CSR_FROM_PIPE(wb, mstatus_fs)
trace_wb.m_csr.mstatus_fs_we = 1'b1;
trace_wb.m_csr.mstatus_fs_wmask = '1;
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